IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Elastic Docs ›Elastic Security Solution [7.11] ›Detections and Alerts ›Prebuilt rule reference

Persistence via Kernel Module Modification

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Persistence via Kernel Module Modification

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Identifies loadable kernel module errors, which are often indicative of potential persistence attempts.

Rule type: query

Rule indices:

  • auditbeat-*
  • logs-endpoint.events.*

Severity: low

Risk score: 21

Runs every: 5 minutes

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

  • Elastic
  • Host
  • Linux
  • Threat Detection
  • Persistence

Version: 7 (version history)

Added (Elastic Stack release): 7.6.0

Last modified (Elastic Stack release): 7.11.2

Rule authors: Elastic

Rule license: Elastic License

Potential false positives

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Security tools and device drivers may run these programs in order to load legitimate kernel modules. Use of these programs by ordinary users is uncommon.

Rule query

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event.category:process and event.type:(start or process_started) and
process.name:(insmod or kmod or modprobe or rmod)

Threat mapping

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Framework: MITRE ATT&CKTM

Rule version history

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Version 7 (7.11.2 release)
  • Formatting only
Version 6 (7.11.0 release)
  • Formatting only
Version 5 (7.10.0 release)
  • Formatting only
Version 4 (7.9.1 release)
  • Formatting only
Version 3 (7.9.0 release)

  • Updated query, changed from:

    process.name:(insmod or kmod or modprobe or rmod) and
event.action:executed
Version 2 (7.7.0 release)

  • Updated query, changed from:

    process.name: (insmod or kmod or modprobe or rmod) and
event.action:executed
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